CN101480924B - Electric-controlled switching mechanism for two-wheel drive and four-wheel drive of vehicle - Google Patents
Electric-controlled switching mechanism for two-wheel drive and four-wheel drive of vehicle Download PDFInfo
- Publication number
- CN101480924B CN101480924B CN200910095488XA CN200910095488A CN101480924B CN 101480924 B CN101480924 B CN 101480924B CN 200910095488X A CN200910095488X A CN 200910095488XA CN 200910095488 A CN200910095488 A CN 200910095488A CN 101480924 B CN101480924 B CN 101480924B
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- China
- Prior art keywords
- roller
- locating bush
- plastics locating
- outer shaft
- electromagnet
- Prior art date
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 33
- 239000004033 plastic Substances 0.000 claims abstract description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention relates to a two-four-wheel-driven electrical control switching device of an automobile. The device consists of a mechanical part and a circuit part, wherein the mechanical part comprises an internal shaft, a plastic positioning sleeve, a spring, a roller, an external shaft and an iron ring, and the circuit part comprises an electromagnet, a conducting wire, a switch and a power supply. The invention has the advantages of simple structure, timing controllability, no noise generation or energy consumption when the circuit is disconnected, and automatic switch when the automobile runs on a normal road surface in the case of switching-on. The device can be used when the automobile moves forward or backward. A driver can realize the mutual switch between 2-wheel driving and 4-wheel driving of the automobile only by using the switch to control the connection and disconnection of the electromagnet.
Description
Technical field
The present invention relates in the half 4 wheel driven automobile two electric-controlled switching mechanisms that drive with 4 wheel driven.
Background technology
At present, two shifters that drive with 4 wheel driven mainly contain two types in the half 4 wheel driven automobile: one type is uncontrollable, and promptly as long as skidding appears in automobile back wheel, its shifter will be connected automatically, drives by two to become 4 wheel driven; After the automobile back wheel skidding disappears, the automatic cutout again of its shifter.This type shifter mainly adopts traditional free-wheel clutch, is determined by the front and back transmitting ratio its opportunity that is switched on or switched off.Its shortcoming mainly is can not artificially control it to be switched on or switched off; Even disconnecting state, also there is certain friction in its inside, and the meeting consumed energy also produces certain noise; And under the state of reversing, can't use.Another kind of is controlled, as long as shifter one is connected, automobile just drives by two and becomes 4 wheel driven under any situation, and only after the shifter disconnection, automobile could become two by 4 wheel driven and drive.The major defect of this type shifter is if adopt 4 wheel driven on the big road surface of friction force, to go, and it can automatic cutout, and this can cause damage to the tire of automobile, diff, transmission shaft, part-time case etc.
Summary of the invention
In order to overcome the deficiency that above two kinds of shifters exist; The invention provides a kind of in good time controlled; Noiseless and waste of power during disconnection, on normal road surface, going during connection can automatically switch to two and drive, and advances and retreats all spendable two and drive-the 4 wheel driven shifter.
Automobile two provided by the invention drives-the 4 wheel driven electric-controlled switching mechanism, by the interior axle of mechanics, and the plastics locating bush, spring, roller, the electromagnet of outer shaft and iron ring and circuit part, lead, switch and power supply are formed, and it is characterized in that: interior axle is connected with the semiaxis of car; About the plastics locating bush is enclosed within two the axle on, two ring springs are around in the ring-type square groove on the plastics locating bush; Roller is embedded in and is uniformly distributed in the circle of two on the plastics locating bush webge slot, through the cancave cambered surface location of spring and outer shaft inwall; Outer shaft on the plastics locating bush, external vehicular transmission shaft; Iron ring is enclosed within plastics locating bush one end, joins together with the plastics locating bush; Electromagnet is fixed on the vehicle bridge motionless, is close to iron ring, through its magnetic of switch control.
Mechanics of the present invention comprises following components: axle in 1.Freely rotate with wheel during disconnection, it accepts the torque that outer shaft passes over through roller during connection, and gives wheel with transmission of torque.2 plastics locating bushs.Between outer shaft and interior axle, the equidistant webge slot that distributes of two circles and the square groove of two ring-types are arranged on it.3 webge slots.Two circles about having, along the circumferential rectangular distribution of plastics locating bush, its effect is that roller is separated uniformly, plays the positioning action to roller.4 square grooves.Two circles about also having, corresponding with webge slot, be surrounded on the plastics locating bush, two springs are embedded in respectively wherein, play the positioning action to spring.5 springs.Be surrounded on the plastics locating bush, on roller, apply a power that expands outwardly, make roller be close to the outer shaft inwall, play certain positioning action.6 rollers.When connecting, outer shaft and interior axle are joined together, realize the transmission of torque through extrusion friction.7 outer shafts.Interior surface thereof has five well-distributed cancave cambered surfaces, accepts the torque that passed over by transmission shaft, and drives the plastics locating bush and roller rotates together.8 cancave cambered surfaces.Be distributed in the inside face of outer shaft uniformly, when device was connected, its surface and roller mutual extrusion were the running surfaces of device; When disconnecting, make roller under the effect of spring, be positioned at the outermost end of cancave cambered surface, roller is played certain positioning action.9 iron rings.Near electromagnet, join together with the plastics locating bush.When electromagnet was switched on, iron ring received attraction force acts and slows down, and drove plastics locating bush and roller simultaneously and slowed down together, made plastics locating bush and roller and outer shaft produce certain relative angular displacement, realized connecting.
The loop that circuit part of the present invention is made up of 10 electromagnet, 11 switches, 12 power supplys, 13 conductor wires.Electromagnet and axle attachment do not rotate together, are the actuating units of whole shifter.Switch is controlled the through and off in whole loop, promptly controls the connecting and disconnecting of shifter.
Mechanics of the present invention and circuit part are simple in structure; Provide a kind of in good time controlled; Noiseless and waste of power during disconnection, on normal road surface, going during connection can automatically switch to two and drive, and advances and retreats all spendable two and drive-the 4 wheel driven shifter; Chaufeur just can be realized the mutual conversion of automobile two wheel drive and four wheel drive immediately as long as pass through the break-make of switch control electromagnet.
Description of drawings
Fig. 1 is the scheme drawing that the present invention is in off-state
Fig. 2 is the scheme drawing that the present invention is in on-state
Fig. 3 is the scheme drawing that axially partly cuts open of the present invention
Fig. 4 is the schematic diagram of circuit part of the present invention
Axle in about 1. among the figure, 2. plastics locating bush, 3. webge slot, 4. square groove, 5. spring, 6. roller, 7. outer shaft, 8. cancave cambered surface, 9. iron ring, 10. electromagnet, 11. switches, 12. power supplys, 13. leads.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
In Fig. 1, switch 11 is in off-state, and circuit does not have electric current; Electromagnet 10 does not have magnetic force, and iron ring 9, plastics locating bush 2 and roller 6 rotate with outer shaft 7 together, and roller 6 is close to the cancave cambered surface 8 of outer shaft 7 inwalls under the effect of spring 5 tension force; Because the position-limiting action of cancave cambered surface 8, roller 6 can be in the top of cancave cambered surface 8 automatically, and roller 6 just produces certain clearance with interior axle 1 like this; Shifter just is in off-state, does not transmit any torque.Under off-state, roller 6 has no friction, the also consumption of energy with regard to having avoided noise generation with interior axle 1.
In Fig. 2, switch 11 is in closure state, and electromagnet 10 energisings produce magnetic force, attract iron ring 9, and iron ring 9, plastics locating bush 2 and roller 6 are slowed down together.Because outer shaft 7 does not slow down, so plastics locating bush 2 will produce certain relative angular displacement with outer shaft 7 with roller 6, roller 6 gets into by the narrow end of cancave cambered surface 8 with interior axle 1 formed space.At this moment, if the rotating speed of outer shaft 7 is greater than the rotating speed of interior axle 1, then roller 6 joins outer shaft 7 and interior axle 1 together transmitting torque; Axle 1 rotating speed in if outer shaft 7 rotating speeds are less than or equal to, then roller 6 can not join outer shaft 7 and interior axle 1 together, just can't transmitting torque yet.Just because of above these characteristics, make the present invention automatically switch to two in the time of making the automobile that is in the 4 wheel driven state enter into normal road surface and drive, avoided the damage of the corresponding parts of automobile.
In Fig. 3, axle 1 is divided into left and right half in can seeing, the corresponding with it two circle rollers 6 that are uniformly distributed with about being.Their effect is: when the automobile that is in the 4 wheel driven state on complex road surface or during turning driving, left and right wheels can produce certain speed discrepancy.
The present invention automobile advance with the two kinds of situation that fall back under principle of work be consistent, all as stated.
In Fig. 4, power supply 12 provides electric energy for entire circuit; The energising and the outage of switch 11 control electromagnet 10, chaufeur are exactly to control two switchings of driving with 4 wheel driven through the shirtsleeve operation switch; Electromagnet 10 is actuating units, in whole shifter, is playing the part of important role.
Claims (2)
1. an automobile two drives-the 4 wheel driven electric-controlled switching mechanism, by the interior axle of mechanics, plastics locating bush; Spring, roller, the electromagnet of outer shaft and iron ring and circuit part; Lead, switch and power supply are formed, and it is characterized in that: interior axle is connected with the semiaxis of car; Freely rotate with wheel during disconnection, it accepts the torque that outer shaft passes over through roller during connection, and gives wheel with transmission of torque; The plastics locating bush is between outer shaft and interior axle, and in two on the axle, two ring springs are around on the plastics locating bush about being enclosed within, and two circles about roller is isolated into uniformly play the positioning action to roller; Roller is embedded on the plastics locating bush, through the cancave cambered surface location of spring and outer shaft inwall, when connecting, through extrusion friction outer shaft and interior axle is joined together; Outer shaft on the plastics locating bush, external vehicular transmission shaft, the inner surface of outer shaft has the well-distributed cancave cambered surface, accepts the torque that passed over by transmission shaft, and drives the plastics locating bush and roller rotates together; Iron ring is enclosed within plastics locating bush one end, joins together with the plastics locating bush; The loop that circuit part is made up of electromagnet, conductor wire, switch, power supply, electromagnet are fixed on the vehicle bridge motionless, are close to iron ring; Through its magnetic of source switch lead control; When electromagnet was switched on, iron ring received attraction force acts and slows down, and drove plastics locating bush and roller simultaneously and slowed down together; Make plastics locating bush and roller and outer shaft produce certain relative angular displacement, realize connecting.
2. automobile two according to claim 1 drives-the 4 wheel driven electric-controlled switching mechanism, it is characterized in that: the plastics location is with two circle webge slots, and two circle webge slot left-right symmetric distribute, and around plastics locating bush circumference rectangular distribution, roller is embedded in these webge slots; There is the square groove of two loops plastics locating bush outer ring simultaneously, and spring just is embedded in wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095488XA CN101480924B (en) | 2009-01-19 | 2009-01-19 | Electric-controlled switching mechanism for two-wheel drive and four-wheel drive of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095488XA CN101480924B (en) | 2009-01-19 | 2009-01-19 | Electric-controlled switching mechanism for two-wheel drive and four-wheel drive of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101480924A CN101480924A (en) | 2009-07-15 |
| CN101480924B true CN101480924B (en) | 2012-06-27 |
Family
ID=40878268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910095488XA Expired - Fee Related CN101480924B (en) | 2009-01-19 | 2009-01-19 | Electric-controlled switching mechanism for two-wheel drive and four-wheel drive of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101480924B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150129113A (en) * | 2014-05-08 | 2015-11-19 | 현대다이모스(주) | Part-time 2wd/4wd conversion control device and methed |
| CN105083000A (en) * | 2015-09-09 | 2015-11-25 | 泰州市双宇电子有限公司 | Double-wheel drive and four-wheel drive switching control system of automobile |
| CN113580954B (en) * | 2021-08-11 | 2023-08-11 | 赛格威科技有限公司 | Vehicle control system and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811053Y (en) * | 2005-08-02 | 2006-08-30 | 辽宁曙光汽车集团股份有限公司 | Inter-axle clutch device |
| CN2881229Y (en) * | 2005-12-23 | 2007-03-21 | 江苏林海动力机械集团公司 | Two driving-four driving electric switching device for full ground cycle |
| CN101198487A (en) * | 2005-06-14 | 2008-06-11 | 大同工业株式会社 | Transmission system for tractor |
| CN201090724Y (en) * | 2007-07-10 | 2008-07-23 | 柳州正菱集团有限公司 | Transfer gear of shift interlock and four-wheel drive small tractor power transmission system |
-
2009
- 2009-01-19 CN CN200910095488XA patent/CN101480924B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198487A (en) * | 2005-06-14 | 2008-06-11 | 大同工业株式会社 | Transmission system for tractor |
| CN2811053Y (en) * | 2005-08-02 | 2006-08-30 | 辽宁曙光汽车集团股份有限公司 | Inter-axle clutch device |
| CN2881229Y (en) * | 2005-12-23 | 2007-03-21 | 江苏林海动力机械集团公司 | Two driving-four driving electric switching device for full ground cycle |
| CN201090724Y (en) * | 2007-07-10 | 2008-07-23 | 柳州正菱集团有限公司 | Transfer gear of shift interlock and four-wheel drive small tractor power transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101480924A (en) | 2009-07-15 |
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Granted publication date: 20120627 Termination date: 20150119 |
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